60 lines
1.5 KiB
C++
60 lines
1.5 KiB
C++
// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2014 Daniele Panozzo <daniele.panozzo@gmail.com>
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//
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// This Source Code Form is subject to the terms of the Mozilla Public License
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// v. 2.0. If a copy of the MPL was not distributed with this file, You can
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// obtain one at http://mozilla.org/MPL/2.0/.
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#include "unproject_onto_mesh.h"
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#include "EmbreeIntersector.h"
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#include "../unproject_onto_mesh.h"
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#include <vector>
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IGL_INLINE bool igl::embree::unproject_onto_mesh(
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const Eigen::Vector2f& pos,
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const Eigen::MatrixXi& F,
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const Eigen::Matrix4f& model,
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const Eigen::Matrix4f& proj,
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const Eigen::Vector4f& viewport,
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const EmbreeIntersector & ei,
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int& fid,
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Eigen::Vector3f& bc)
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{
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using namespace std;
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using namespace Eigen;
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const auto & shoot_ray = [&ei](
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const Eigen::Vector3f& s,
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const Eigen::Vector3f& dir,
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igl::Hit & hit)->bool
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{
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return ei.intersectRay(s,dir,hit);
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};
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return igl::unproject_onto_mesh(pos,model,proj,viewport,shoot_ray,fid,bc);
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}
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IGL_INLINE bool igl::embree::unproject_onto_mesh(
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const Eigen::Vector2f& pos,
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const Eigen::MatrixXi& F,
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const Eigen::Matrix4f& model,
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const Eigen::Matrix4f& proj,
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const Eigen::Vector4f& viewport,
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const EmbreeIntersector & ei,
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int& fid,
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int& vid)
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{
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Eigen::Vector3f bc;
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if(!igl::embree::unproject_onto_mesh(pos,F,model,proj,viewport,ei,fid,bc))
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{
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return false;
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}
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int i;
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bc.maxCoeff(&i);
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vid = F(fid,i);
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return true;
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}
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#ifdef IGL_STATIC_LIBRARY
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// Explicit template instantiation
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#endif
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